When the playbook executes on a remote host (as it usually does),
we need to explicitly say `src` is a remote file and not relative
to the playbook.

(adapting strings and URLs)

Discussed in #101 (Github Issue).

Fixes #427 (Github Issue).

Fix bad network and bad path to postgres env in docker run

Related to #425 (Github Pull Request)

Related to #425 (Github Pull Request).

Fixes #424 (Github Issue).

Added support for arch linux

Flip around Jitsi port format to match other ports

This matches the way the ports are written in prerequisites.md and is the format that UFW likes.

* clarify the config path

added path to the correct vars.yaml in matrix-synapse

* Fix configuration path

Co-authored-by: Slavi Pantaleev <slavi@devture.com>

Made directory variables for system files

Fixes #417 (Github Issue)